1) Elasticity 2) Flexibility 3) Give 4) Gracefulness 5) Lissomeness 6) Litheness 7) Plasticity 8) Softness 9) Spring 10) Stretch 1) Grace 2) Lissomeness 3) Litheness 4) Nimbleness 5) Pliancy 6) Pliantness 
• (n.) The quality or state of being supple; flexibility; pliableness; pliancy.
Sup'ple·ness noun The quality or state of being supple; flexibility; pliableness; pliancy. 
a quality of highly conditioned leg muscles that allows a rider to pedal at high cadence with smoothness and power. Also known by the French term, souplesse.
a quality of highly conditioned leg muscles that allows a rider to pedal at high cadence with smoothness and power. Also known by the French term, souplesse.
This term is applied when a horse is able to work through his back without any signs of tension in the muscles. In fact, he should be physically and mentally free of all tension, so that he can apply himself fully to the task in hand.